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⏕⌮㻌 㻞㻭㻹㻜㻡㻡㻌
᪥ᚰ➨ 㻣㻡 ᅇ኱఍䠄㻞㻜㻝㻝䠅㻌
ࢥ࣓ࣥࢺ௜ࡁື⏬ど⫈᫬࡟࠾ࡅࡿ⬻⾑ὶࡢ᳨ウ
—㏆㉥እ⥺ศගἲࢆ⏝࠸࡚—
‫ۑ‬ᒣ⬥ᙬ㸯࣭ྜྷᕝᚭ㠀఍ဨ㸰࣭ఀ⸨኱ᖾ㸱࣭ᑠ಴ṇ⩏㸲࣭㔝㑚೺஧㸳࣭ᒣෆᫍᏊ㠀఍ဨ㸴࣭㔠Ꮚ୍ྐ㸳
㸦㸯ྡྂᒇ኱Ꮫ኱Ꮫ㝔ᩍ⫱Ⓨ㐩⛉Ꮫ◊✲⛉࣭㸰ྡྂᒇ኱Ꮫ་Ꮫ㒊㝃ᒓ⑓㝔࣭㸱὾ᯇ་⛉኱ᏛᏊ࡝ࡶࡢࡇࡇࢁࡢⓎ㐩◊✲ࢭࣥࢱ࣮࣭
㸲
㬆㛛ᩍ⫱኱Ꮫ኱Ꮫ㝔Ꮫᰯᩍ⫱◊✲⛉࣭㸳ྡྂᒇ኱ᏛⓎ㐩ᚰ⌮⢭⚄⛉Ꮫᩍ⫱◊✲ࢭࣥࢱ࣮࣭㸴ྡྂᒇ኱ᏛᏛ⏕┦ㄯ⥲ྜࢭࣥࢱ࣮㸧
࣮࣮࢟࣡ࢻ: NIRS࣭⬻⾑ὶ࣭ື⏬
Brain activity in moving image with comment:
A Near-Infrared Spectroscopic Study
Aya YAMAWAKI1, Toru YOSIKAWA2, Hiroyuki ITO3, Masayoshi OGURA4, Kenji NOMURA5, Hoshiko YAMAUCHI6 and Hitoshi
KANEKO5
1
( Graduate School of Education and Human Development, Nagoya Univ., 2 Nagoya University Hospital, 3Research Center for Child Mental
Development, Hamamatsu University School of Medicine, 4 Naruto University of Education, 5Center for Developmental Clinical
Psychology and Psychiatry, Nagoya Univ. and 6Center for Student Counseling, Nagoya Univ.)
Key words: NIRS, brain activity, moving image
┠ ⓗ
⌧ᅾࠊ᪥ᮏ࡛ࡣື⏬࡟ࢥ࣓ࣥࢺࢆຍ࠼ࡿࡇ࡜ࡢ࡛ࡁࡿື⏬
ࢧ࢖ࢺࡀὶ⾜ࡋ࡚࠸ࡿࠋࡇࡢࡼ࠺࡞ࢧ࢖ࢺࡣࢥ࣓ࣥࢺࢆ㏻ࡋ
࡚ື⏬ࢆぢ࡞ࡀࡽࣜ࢔ࣝࢱ࢖࣒ࡢࢥ࣑ࣗࢽࢣ࣮ࢩࣙࣥࢆ࡜ࡗ
ࡓࡾࠊ⮬ศࡢᢞ✏ື⏬ࡀぢ࡚࠸ࡿேࡓࡕ࡟࡝࠺ᛮࢃࢀ࡚࠸ࡿ
ࡢ࠿▱ࡿࡇ࡜ࡀ࡛ࡁࡓࡾ࡜ࠊື⏬࡟ᑐࡍࡿ᪂ࡓ࡞ᴦࡋࡳࢆ୚
࠼࡚ࡃࢀࡿࡶࡢ࡛࠶ࡿࠋࡋ࠿ࡋࠊࢥ࣓ࣥࢺ㛫࡛ࡢ୙㐺ษ࡞ࡸ
ࡾ࡜ࡾࡀ⏕ࡌࡿࡇ࡜ࠊ༏ྡᛶࡀ㧗ࡃ࡚ࢺࣛࣈࣝࡢཎᅉ࡟࡞ࡾ
ࡸࡍ࠸ࡇ࡜ࠊື⏬࡟ࡢࡵࡾ㎸ࢇ࡛ࡋࡲ࠺ࡇ࡜࡞࡝ၥ㢟Ⅼࡶᣲ
ࡆࡽࢀࡿࠋࡇࡢࡼ࠺࡞ࢥ࣓ࣥࢺ௜ࡁື⏬࡟ࡘ࠸࡚ࠊࢧ࢖ࢺࡢ
㜀ぴ⪅ᩘࡸᢞ✏ື⏬ࡢ✀㢮࡜࠸ࡗࡓഃ㠃ࡢ◊✲ࡣ࡞ࡉࢀࡘࡘ
࠶ࡿࠋࡋ࠿ࡋࠊࢤ࣮࣒ࡸ㡢ᴦࡢ㡿ᇦ࡛࡞ࡉࢀ࡚࠸ࡿ⬻ᶵ⬟࡟
╔┠ࡋࡓ◊✲ࡣ࡯࡜ࢇ࡝࡞ࡉࢀ࡚࠸࡞࠸ࠋ௒ᚋࡲࡍࡲࡍⓎᒎ
ࡋ࡚࠸ࡃศ㔝࡛࠶ࡿ᪂ࡋ࠸ᙧࡢື⏬ど⫈࡟࠾ࡅࡿ⬻ᶵ⬟࡟ࡘ
࠸࡚◊✲ࡍࡿࡇ࡜ࡣព⩏῝࠸࡜ᛮࢃࢀࡿࠋࡑࡇ࡛ᮏ◊✲࡛ࡣࠊ
኱Ꮫ⏕ࢆᑐ㇟࡟ࠊ᪂ࡋ࠸ᙧࡢື⏬࡟࠾ࡅࡿࢥ࣓ࣥࢺᶵ⬟ࡢ᭷
↓࡟ࡼࡿ⬻⾑ὶኚ໬ࡢᕪ␗ࢆ᳨ウࡋࡓࠋ
᪉ ἲ
ㄪᰝᑐ㇟⪅ࡣ X ኱ᏛࡢᏛ⏕ 27 ྡ㸦⏨ᛶ 9 ྡࠊዪᛶ 18 ྡࠊ
ᖹᆒᖺ㱋 20.4 ṓs1.4㸧࡛࠶ࡗࡓࠋ⬻⾑ὶࡢィ ࡟ࡣ NIRS ࢩ
ࢫࢸ࣒㸦ETG-4000㸪᪥❧࣓ࢹ࢕ࢥ㸧ࢆ౑⏝ࡋࡓࠋࣉ࣮ࣟࣈ࣍
ࣝࢲ࣮ࡣ 3™5cm㸪22 ࢳࣕࣥࢿࣝࡢࡶࡢࢆㄪᰝᑐ㇟⪅ࡢ๓㢌
㒊࡟⿦╔ࡋࡓࠋㄪᰝᑐ㇟⪅࡟ࡣ➹⪅ࡀసᡂࡋࡓᵝࠎ࡞ࢥ࣓ࣥ
ࢺࡀື⏬ୖࢆྑ࠿ࡽᕥ࡟ὶࢀࡿ 25 ⛊㛫ࡢື≀ື⏬㸦ࢥ࣓ࣥࢺ
᭷ື⏬㸧࡜ࢥ࣓ࣥࢺࡀὶࢀ࡞࠸ື≀ື⏬㸦ࢥ࣓ࣥࢺ↓ື⏬㸧
ࢆྛ 3 ✀㢮ࡎࡘࠊྛື⏬ࡢ㛫࡟࣮࣋ࢫࣛ࢖ࣥ࡜ࣜ࢝ࣂ࣮ࣜ࡜
ࡋ࡚ 60 ⛊ࡢ㢼ᬒ㟼Ṇ⏬ࢆぢࡏࠊNIRS ࡛ື⏬ࡸ㟼Ṇ⏬ど⫈᫬
ࡢ⬻⾑ὶࢆ ᐃࡋࡓࠋ
⤖ ᯝ
௒ᅇࠊNIRS ࡟࠾࠸࡚⬻άᛶࡢ୺࡞ᣦᶆ࡛࠶ࡿ Oxy-Hb ⃰ᗘ
ࢆศᯒ࡟⏝࠸ࡓࠋື⏬ど⫈᫬ࡢ Oxy-Hb ⃰ᗘࡢኚ໬ࡣࠊࢥ࣓
ࣥࢺࡢ᭷↓࡟㛵ಀ࡞ࡃࠊື⏬㛤ጞ┤ᚋ࡟ୖࡀࡾࠊࡑࡢᚋᚎࠎ
࡟ୗࡀࡗ࡚࠸ࡃ࡜࠸ࡗࡓኚ໬ࡀぢࡽࢀࡓ㸦Figure1㸧ࠋ
ࡑࡇ࡛ࠊOxy-Hb ⃰ᗘࡀᚎࠎ࡟ୗࡀࡿࡇ࡜࡟╔┠ࡋࠊື⏬
⤊஢┤๓ 10 ⛊ࡢ Oxy-Hb ࡢᖹᆒ್࠿ࡽ㸪࣮࣋ࢫࣛ࢖࡛ࣥ࠶ࡿ
㟼Ṇ⏬⤊┙ 10 ⛊ࡢ Oxy-Hb ࡢᖹᆒ್ࢆᘬࡁࠊኚ໬㔞ࢹ࣮ࢱࢆ
⟬ฟࡋࠊື⏬ど⫈᫬ࡢ Oxy-Hb ⃰ᗘࡢኚ໬㔞࡟ࡘ࠸࡚ࢥ࣓ࣥ
ࢺࡢ᭷↓࡟ࡼࡿ t ᳨ᐃࢆ⾜ࡗࡓࠋࡑࡢ⤖ᯝࠊྑ๓㢌㒊࡟࠾࠸
࡚ 1㸣Ỉ‽࡛᭷ពᕪࡀㄆࡵࡽࢀࠊࢥ࣓ࣥࢺ᭷ື⏬ど⫈᫬ࡢ᪉
ࡀࢥ࣓ࣥࢺ↓ື⏬ど⫈᫬ࡼࡾࡶ⬻άືࡀపୗࡍࡿࡇ࡜ࡀ♧ࡉ
ࢀࡓ㸦Figure2㸧ࠋ
⪃ ᐹ
ᮏ◊✲ࡢ⤖ᯝࠊື⏬ど⫈᫬ࡣྑ๓㢌㒊ࡢ⬻⾑ὶࡀື⏬㛤ጞ
┤ᚋ࡟ୖࡀࡾࠊࡑࡢᚋᚎࠎ࡟ୗࡀࡗ࡚࠸ࡃࡇ࡜ࡀ♧ࡉࢀࡓࠋ
⬻⾑ὶࡀᚎࠎ࡟ୗࡀࡗ࡚࠸ࡃⅬࡣࠊ཯ᑕⓗ࡞ TV ࢤ࣮࣒ࣉࣞ
࢖᫬㸦㛵, 2003㸧ࡸ㡢ᴦ⫈ྲྀ᫬㸦ᒾᆏࡽ, 2007㸧ࡢ⬻⾑ὶኚ໬
࡜ྠᵝ࡛࠶ࡿࠋࡋ࠿ࡋࠊື⏬ど⫈┤ᚋ࡟⬻⾑ὶࡀୖࡀࡿⅬࡣࠊ
TV ࢤ࣮࣒ࣉࣞ࢖᫬ࡸ㡢ᴦ⫈ྲྀ᫬࡜ࡣ␗࡞ࡗ࡚࠸ࡓࠋ
๓㢌๓㔝ࡢ⬻άືࡢάᛶࣞ࣋ࣝࡢపୗࡀⱁ⾡࡟࠾ࡅࡿἐධ
ឤࡢᐈほⓗ࡞ᣦᶆࡢ 1 ࡘ࡜ࡋ࡚฼⏝ࡋ࠺ࡿ࡜ᣦ᦬ࡉࢀ࡚࠸ࡿ
ࡇ࡜㸦∦ᐤࡽ, 2004㸧࠿ࡽࠊᮏ◊✲ࡢ⤖ᯝࡼࡾື⏬ど⫈᫬࡟࠾
࠸࡚ど⫈⪅ࡀື⏬࡟ἐධࡋ࡚࠸ࡿྍ⬟ᛶࡀ♧၀ࡉࢀࡓࠋࡲࡓ
t ᳨ᐃࡢ⤖ᯝࡼࡾࠊࢥ࣓ࣥࢺ᭷ື⏬ど⫈᫬ࡢ᪉ࡀࢥ࣓ࣥࢺ↓
ື⏬ど⫈᫬ࡼࡾࡶ⬻άືࡀపୗࡍࡿࡇ࡜ࡀ♧ࡉࢀࠊࢥ࣓ࣥࢺ
ࡀ࠶ࡿࡇ࡜࡛ື⏬࡬ࡢἐධࡀಁ㐍ࡉࢀࡿྍ⬟ᛶࡀ♧ࡉࢀࡓࠋ
௒ᚋࡣࠊ๓㢌㒊ࡢάືపୗ࡟ᑐࡍࡿゎ㔘࡟ࡘ࠸࡚ࡢヲ⣽࡟
᳨ウࡋ࡚࠸ࡃᚲせࡀ࠶ࡿ࡜ᛮࢃࢀࡿࠋ
Figure 1 ື⏬ど⫈᫬ࡢ Oxy࣭Deoxy࣭Total-Hb ⃰ᗘࡢኚ໬
Figure 2 ྑ๓㢌㒊࡟࠾ࡅࡿ Oxy-Hb ⃰ᗘࡢኚ໬㔞
ᘬ⏝ᩥ⊩
∦ᐤᬕᘯ࣭ዟᖹၨኴ࣭ᶫ⏣ග௦㸦2004㸧㸬㡢ᴦ࡟࠾ࡅࡿἐධឤ
࡟㛵ࡍࡿ᳨ウ̿ᢏ⬟ࡢᣑᙇ࡜㌟యᛶࡢどⅬ࠿ࡽ̿ ᪥ᮏࣂ
࣮ࢳࣕࣝࣜ࢔ࣜࢸ࢕Ꮫ఍ㄅ㸪9(1)㸪10-14㸬
̿ 500 ̿